I've been downloading and printing huge maps of Snowdonia, though over a phone line modem I guess it would be rather slow.
Also, 110mb files take a while to print!
Doesn't seem to like downloading anything larger than 40x40km though the boxes do let you put in 50x50km, but it just freezes when I do that.
It's so great for downloading maps of invidual mountains then laminating them. May never buy another map! Found map cases useless for a host of reasons, and now only use laminated maps. But they're pricey and had to find. I have also just managed to rip mine! Grrr!